import sys
# file = sys.stdout
# file.write('Hello')
#
# print('World')

file = open('test.txt', 'rb')
print(file.read(1))
print(file.read(1))
print(file.tell())
print(file.seek(2, 1))

# 不需要 写close
# with open('test.txt', 'r', encoding='utf-8') as file2:
#     list2 = file2.readlines()
#     print(list2)
#
# str = "day day up"
# with open('test.txt', 'w', encoding='utf-8') as file3:
#     file3.write(str)
#
# list3 = ['hello11', 'world22']
# with open('test.txt', 'a', encoding='utf-8') as file4:
#     file4.writelines(list3)
